Over-the-counter Anticonvulsant medicines can be purchased without a prescription and are most often used for the treatment that may not require the direct supervision of a physician. If, after the treatment with over-the-counter Anticonvulsant products you aren’t seeing improvement, don’t hesitate to contact your doctor. It’s important to learn how over the counter Anticonvulsant products you choose to buy work and what active ingredients should you look for.